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• Lock-in amplifier
  ...the operating frequency of the modulator. In the case of an [[atomic force microscope]], to achieve [[nanometer]] and [[piconewton]] resolution, the [[cantilever
  11 KB (1,574 words) - 14:51, 10 December 2011
• Galvanometer
  ...e deflection of the suspended magnets could be observed directly through a microscope.
  20 KB (3,126 words) - 14:51, 10 December 2011

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